Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917379 | Four-bar variable resistance arm extension machine | — | 1990-04-17 |
| 4883270 | Four-bar variable-resistance frontal calf developing machine | — | 1989-11-28 |
| 4840373 | Four-bar rigid-drive variable resistance pectoral fly machine | — | 1989-06-20 |
| 4838548 | Four-bar variable resistance leg extension machine | — | 1989-06-13 |
| 4828254 | Crank and slider/four-bar variable resistance carriage-type leg press machine | — | 1989-05-09 |
| 4822038 | Calf isolating exercise machine | — | 1989-04-18 |
| 4790530 | Arm flexion exercise machine | — | 1988-12-13 |
| 4757991 | Lat isolating exercise machine | — | 1988-07-19 |
| 4732380 | Thigh holddown clamp | — | 1988-03-22 |